Home / 2,088,358.80-3,130,205.40-1,190,230.80

Finding the Fourth Proportional to 2,088,358.80, 3,130,205.40 and 1,190,230.80

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Solution

The fourth proportional to 2,088,358.80, 3,130,205.40 and 1,190,230.80 is: 1,784,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,358.80 : 3,130,205.40 = 1,190,230.80 : x
  2. Step 2: Convert to fraction form
    2,088,358.80/3,130,205.40 = 1,190,230.80/x
  3. Step 3: Cross multiply
    2,088,358.80x = 3,130,205.40 × 1,190,230.80
  4. Step 4: Simplify right side
    2,088,358.80x = 3,725,666,877,406.32
  5. Step 5: Solve for x
    x = 3,725,666,877,406.32/2,088,358.80
  6. Step 6: Final answer
    x = 1,784,016.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.